Convert to pnpm

Author: NullVoxPopuli

.github/workflows/ci.yml

@@ -21,10 +21,10 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 18
-          cache: 'yarn'
-      - run: yarn install --frozen-lockfile
-      - run: yarn lint
-      - run: yarn test:ember
+          cache: 'pnpm'
+      - run: pnpm install
+      - run: pnpm lint
+      - run: pnpm test:ember
 
   test-node:
     name: Node Tests
@@ -36,9 +36,9 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 18
-          cache: 'yarn'
-      - run: yarn install --frozen-lockfile
-      - run: yarn test:node
+          cache: 'pnpm'
+      - run: pnpm install
+      - run: pnpm test:node
 
   floating-dependencies:
     name: "Floating Dependencies"
@@ -50,9 +50,9 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 18
-          cache: 'yarn'
-      - run: yarn install --no-lockfile
-      - run: yarn test:ember
+          cache: 'pnpm'
+      - run: pnpm install
+      - run: pnpm test:ember
 
   try-scenarios:
     name: "Try: ${{ matrix.ember-try-scenario }}"
@@ -77,8 +77,8 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 18
-          cache: 'yarn'
+          cache: 'pnpm'
       - name: install dependencies
-        run: yarn install --frozen-lockfile
+        run: pnpm install
       - name: test
         run: node_modules/.bin/ember try:one ${{ matrix.ember-try-scenario }} --skip-cleanup